3175 18th Street

1. 1947

   Built as an industrial building, recorded as occupied by Green Glen Dairy.

   Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
2. May 1998

   Seismic upgrade existingbldg shell improvements & new building core.

   Expired Permit 9808856 $$$ $2,000,000
3. Oct 1998

   Oti-1 el, me 2nd floor.

   Complete Permit 9822340 $$$ $60,000
4. Oct 1998

   Oti-2 el, me 2nd floor.

   Complete Permit 9822339 $$$ $50,000
5. Nov 1998

   Life safety upgrade.

   Complete Permit 9824285 $$$ $14,936
6. Dec 1998

   Oti-1 el, me, 2nd floor.

   Complete Permit 9824989 $$$ $28,000
7. Dec 1998

   Oti-2 (2nd fl) mefhanical ducts & zowe controls.

   Complete Permit 9824990 $$$ $23,000
8. Dec 1998

   Oti-1 el, me, 2nd floor.

   Complete Permit 9824980 $$$ $24,000
9. Dec 1998

   Oti-2 (ast fl) intsall drywall partitions & doors.

   Complete Permit 9824984 $$$ $18,000
10. Dec 1998

    Intall stair between 1st & 2nd fl.

    Complete Permit 9824992 $$$ $8,000
11. May 1999

    Earthquake retrofit, vertical wall braces, anchor bolts.

    Complete Permit 9910494 $$$ $40,000
12. Sep 1999

    Oti-1 1st floor, el, me.

    Complete Permit 9918458 $$$ $95,000
13. Sep 1999

    Oti-1 1st floor, el, me.

    Complete Permit 9918457 $$$ $60,000
14. Oct 1999

    Revision to permit application 9910494, 9918457, slab addition mezzanine.

    Complete Permit 9921412 $$$ $15,000
15. Apr 2006

    Install non structural interior partitions in existing office space.

    Expired Permit 200604189230 $$$ $12,000
16. Aug 2008

    #201-tenant improvement on partial 1st floor of building, minor wall demolition and construction, rerouting/capping of outlet switches and lighting, casework renovation.

    Complete Permit 200808018276 $$$ $110,000
17. Jun 2014

    Suite 100 & 200 - renovate non bearing interior partitions. renovate cabinets, appliances in ekitchenettes. electrical under sep permit. no change to building envelope, no change to e wc's or shared corridor.

    Complete Permit 201406037379 $$$ $235,000
18. Sep 2015

    New lighting and branch circuiting to existing panel.

    Issued Permit 201509308429 $$$ $65,000
19. Dec 2016

    Interior tenant improvement to include selective demolition, new non load bearing paritions. mep sep permit. occupied by office use in the last 6 month.

    Issued Permit 201612296179 $$$ $300,000
20. Feb 2017

    Suites 100 & 200: mechanical & electrical work for ti on the 1st and 2nd floor. ref pa 2016-1229-6179.

    Issued Permit 201702229829 $$$ $22,000
21. Mar 2017

    Replace window with garage door.

    Complete Permit 201703201804 $$$ $15,000
22. Mar 2019

    T. i. renovate non bearing interior partitions. n/a for maher.

    Issued Permit 201903195607 $$$ $20,000
23. Apr 2019

    Renovate non bearing interior partition. modify lighting. modify electrical/data. replace one exterior window. 2 new intake/exhaust louvers in existing window frames. no change to shared elevator or shared corridor. modify existing shared wc's to make ada compliant. n/a for maher.

    Issued Permit 201904107637 $$$ $3,000,000
24. Jun 2023

    Fire alarm: voluntary system srepalcement & elevator moderation.

    Filed Permit 202306059196 $$$ $24,800
25. Jul 2025

    Tenant improvement of an existing space. work to include to replace roof top hvac. all exterior work only.

    Issued Permit 202507160880 $$$ $45,000

DBI holds 38 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 38. 1 of them are nominal $1 street-space or sidewalk permits.